Income Taxes (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012
United States federal [Member]
Summary of operating loss carryforward
Operating loss carry forwards	$ 21,985
Operating loss carryforwards, Expiration periods	from 2021 through 2031
California State [Member]
Summary of operating loss carryforward
Operating loss carry forwards	263,023
Operating loss carryforwards, Expiration periods	from 2013 through 2031
States other than California [Member]
Summary of operating loss carryforward
Operating loss carry forwards	$ 4,466
Operating loss carryforwards, Expiration periods	from 2013 through 2031